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GPLD1

GPLD1 is a biology topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand GPLD1 rather than just read about it. In short: Phosphatidylinositol-glycan-specific phospholipase D is an enzyme that in humans is encoded by the GPLD1 gene. Many proteins are tethered to the extracellular face of eukaryotic plasma membranes by a glycosylphosphatidylinositol (GPI) anchor.

GPLD1 — main illustration
GPLD1 — illustration

Key takeaways

  • GPLD1 belongs to biology; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect GPLD1 to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of GPLD1 from memory before moving on to harder problems.

Reference excerpt

Phosphatidylinositol-glycan-specific phospholipase D is an enzyme that in humans is encoded by the GPLD1 gene. Many proteins are tethered to the extracellular face of eukaryotic plasma membranes by a glycosylphosphatidylinositol (GPI) anchor. The GPI-anchor is a glycolipid found on many blood cells. The protein encoded by the GPLD1 gene is a GPI degrading enzyme that hydrolyzes the inositol phosphate linkage in proteins anchored by phosphatidylinositol glycans, thereby releasing the attached protein from the plasma membrane. Plasma concentrations of Gpld1 in mice were found to increase after exercise and to correlate with improved cognitive function, and concentrations of GPLD1 in blood were increased in active elderly humans.

Interactions GPLD1 has been shown to interact with Apolipoprotein A1 and APOA4.

References

Further reading

Illustrations

GPLD1 illustration
GPLD1 illustration
GPLD1 illustration
GPLD1 illustration
GPLD1 illustration

Worked examples

Example 1 — a first encounter with GPLD1

Start with the simplest possible case. Write down what GPLD1 claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In biology, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to GPLD1 before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about GPLD1 ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of GPLD1

In research
GPLD1 appears in biology research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses GPLD1 in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
GPLD1 is common in secondary-school and first-year university syllabi. It links to neighbouring topics Genes on human chromosome 6, Human chromosome 6 gene stubs, so understanding it makes those chapters shorter.
In everyday life
Look for GPLD1 outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
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How to study GPLD1 in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what GPLD1 means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain GPLD1 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is GPLD1 in simple terms?

Phosphatidylinositol-glycan-specific phospholipase D is an enzyme that in humans is encoded by the GPLD1 gene. Many proteins are tethered to the extracellular face of eukaryotic plasma membranes by a glycosylphosphatidylinositol (GPI) anchor.

Why does GPLD1 matter?

Because it connects several biology ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study GPLD1?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on GPLD1.

Tags

  • Genes on human chromosome 6
  • Human chromosome 6 gene stubs

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